There are a lot of interesting aspects to this above average adult western -- Fonda plays a wimp, Keenan Wynn plays a pimp who operates out of a bible tent, and Ray plays a "badman" who seems to have no motive for his destruction of the town of "Hard Times" (they could've picked a better name, eh?) than pure sadism. In Fonda's quest to prove his manhood and make a stand in Hard Times, a lot of fairly complex human themes come to the fore. Rule plays a believably highstrung Western Woman, bent on teaching her adopted son how to kill because she doesn't think Fonda has the guts.
One of Kennedy's better later westerns before he switched completely to the comedic mode, notable for a solid script based on an interesting story with great character performances throughout.